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Mathematics 21 Online
OpenStudy (anonymous):

The figure below shows line AB parallel to line CD. Segment EF is parallel to segment GH. What is the value of x?

OpenStudy (anonymous):

OpenStudy (anonymous):

Alternate Interior angles, so x+10=2x-40.

OpenStudy (anonymous):

Therefore, x=50 degrees.

OpenStudy (anonymous):

Thank you!!

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